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KR910016401A - Metal sleeves for bridging leak points on pipes - Google Patents

Metal sleeves for bridging leak points on pipes Download PDF

Info

Publication number
KR910016401A
KR910016401A KR1019910003939A KR910003939A KR910016401A KR 910016401 A KR910016401 A KR 910016401A KR 1019910003939 A KR1019910003939 A KR 1019910003939A KR 910003939 A KR910003939 A KR 910003939A KR 910016401 A KR910016401 A KR 910016401A
Authority
KR
South Korea
Prior art keywords
sleeve
component
spiral
pipe
metal
Prior art date
Application number
KR1019910003939A
Other languages
Korean (ko)
Inventor
배로 귄터
루스 야콥
Original Assignee
베르너 퀴르스텐 프란즈 푀츠
아베베 레악토르 게엠베하
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19904008252 external-priority patent/DE4008252A1/en
Priority claimed from DE19904011136 external-priority patent/DE4011136C1/en
Application filed by 베르너 퀴르스텐 프란즈 푀츠, 아베베 레악토르 게엠베하 filed Critical 베르너 퀴르스텐 프란즈 푀츠
Publication of KR910016401A publication Critical patent/KR910016401A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00—Arrangements for sealing leaky tubes and conduits
    • F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/18—Rollers of special shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/12—Shape memory
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/04—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes comprising shape memory alloys or bimetallic elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Pipe Accessories (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

내용 없음No content

Description

파이프(pipe)상의 누출점(leakage point)을 브리징(bridging)하는 금속제슬리브(sleeve)Metal sleeves for bridging leak points on pipes

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 열교환기의 파이프단판(pipe endplate) 위에 있는 파이프영역에 사용되는 슬리브(sleeve)를 나타내며, 제2도는 상기 파이프단판위에 있고, 그 파이프단판영역에서 사용되는 슬리브를 나타내고, 제3도는 팽창프로세스(expansion process)전 제1도 및 제2도의 "X"설명도의 확대도.FIG. 1 shows the sleeve used for the pipe section on the pipe endplate of the heat exchanger, FIG. 2 shows the sleeve used on the pipe end plate and in the pipe endplate section, and FIG. An enlarged view of the "X" explanatory diagram in FIGS. 1 and 2 before the process.

Claims (8)

금속제슬리브를 팽창에 의해 파이프(2)의 내측벽면상에서 설정시켜 파이프(2) 상에서의 유출점(leakage point)을 브리징(bridging)하는 금속제슬리브(6)에 있어서, 상기 금속제슬리브(6)는 형상-기억합금(shape-memory alloy)으로된 다수의 구성요소(components)를 원주방향측면(circum ferential side)상에 지지시키고, 그 구성요소는 예정온도에 도달될때 상기 슬리브(6)와 상기 파이프(2) 사이에 시일링(sealing)을 구성함을 특징으로 하는 상기 금속제슬리브.In the metal sleeve 6 for bridging the leakage point on the pipe 2 by setting the metal sleeve on the inner wall surface of the pipe 2 by expansion, the metal sleeve 6 is shaped. A plurality of components of a shape-memory alloy are supported on the circum ferential side, the components being brought to the sleeve 6 and the pipe when the predetermined temperature is reached; 2) The sleeve made of metal, characterized in that the sealing (sealing) between. 제1항에 있어서, 상기 구성요소사이의 슬리브(6) 외면은 단면깊이 0.02~0.05mm의 표면거칠기(surface roughness : 表面渠度)를 가지며, 상기 구성요소는 상기 슬리브(6)의 요홈(9)에 배치되고, 상기 구성요소와 거친외측면(roughened outer surface)은 동일한 외경(outside diameter)을 가지며, 상기 거친외측면의 표면경도(surface hardness)는 상기 파이프(2)의 표면경도보다 더 크게 구성한 상기 금속제슬리브.The outer surface of the sleeve 6 between the components has a surface roughness of 0.02 to 0.05 mm in cross-sectional depth, the component having a recess 9 in the sleeve 6. ) And the component and the roughened outer surface have the same outer diameter, and the surface hardness of the rough outer surface is greater than the surface hardness of the pipe 2. The said metal sleeve which comprised. 제1항에 있어서, 상기 구성요소는 스파이럴(spiral)구조로 되어 있고, 그 스파이럴의 외경은 상기 슬리브(6)의 외경보다 더 크며, 상기 구성요소의 스파이럴턴(spiral turns)사이의 슬리브셀(sleeve shell)은 돌출을 균일하게한 층(layer)(11)으로 구성함을 특징으로 하는 상기 금속제슬리브.2. The component according to claim 1, wherein the component has a spiral structure, the outer diameter of the spiral being larger than the outer diameter of the sleeve 6, and the sleeve cell between the spiral turns of the component. The sleeve shell is made of a metal sleeve, characterized in that composed of a layer (11) with uniform protrusion. 제1항에 있어서, 상기 다수의 구성요소중 하나가 각각의 경우 상기 슬리브(6)의 단부영역(7,8)에 설치되고, 예정온도에 도달될때 상기 슬리브(6)와 파이프(2) 사이에서 시일링을 구성하며, 상기 슬리브(6)는 그 구성요소에서 떨어져 대향하는 슬리브의 단부에 낮은 표면경도를 가진 한부분과 그 파이프(2)보다 더 큰 표면경도를 가진 부분으로 구성된 팽창영역(7a)을 구성하여 그 더 큰 표면경도를 가진 부분은 프로파일링(profiling)을 구성함을 특징으로 하는 상기 금속제슬리브.2. The device according to claim 1, wherein one of the plurality of components is in each case installed in the end regions 7, 8 of the sleeve 6 and between the sleeve 6 and the pipe 2 when a predetermined temperature is reached. A sealing area, wherein the sleeve (6) has an expansion zone (7a) consisting of a portion having a low surface hardness at the end of the sleeve facing away from its component and a portion having a surface hardness greater than that of the pipe (2). And the portion having the larger surface hardness constitutes the profiling. 제1항에 있어서, 상기 구성요소는 폐쇄링(closed ring)(13)으로 구성함을 특징으로 하는 상기 금속제슬리브.The metal sleeve as claimed in claim 1, wherein said component comprises a closed ring (13). 제1항에 있어서, 상기 구성요소는 와이어(wire)임을 특징으로 하는 상기 금속제슬리브.The metallic sleeve of claim 1, wherein the component is a wire. 제1항에 있어서, 상기 구성요소는 박판금스트립(sheet metal strip)(10)임을 특징으로 하는 상기 금속제슬리브.2. The sleeve according to claim 1, wherein the component is a sheet metal strip (10). 제1항에 있어서, 상기 구성요소는 스파이럴(spiral)구성을 하며, 그 스파이럴의 외경은 상기 슬리브(6)의 외경보다 더 크게 구성하고, 그 스파이럴턴(spiral turns)사이의 스페이스(space)는 스파이럴형상구성요소 상에서 형성되는 균일한 층(evening-out layer)에 의해 덧쓰위기(filling)를 함을 특징으로 하는 상기 금속제슬리브.2. The component according to claim 1, wherein the component is of a spiral configuration, the outer diameter of the spiral being larger than the outer diameter of the sleeve 6, and the space between the spiral turns And said metal sleeve is filled by an evening-out layer formed on a spiral component. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910003939A 1990-03-15 1991-03-12 Metal sleeves for bridging leak points on pipes KR910016401A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19904008252 DE4008252A1 (en) 1990-03-15 1990-03-15 Metal sleeve for pipe leakage point - consists of ring around sleeve ends, recess, with coated spirals
DEP4008252.0 1990-03-15
DEP40111369 1990-04-06
DE19904011136 DE4011136C1 (en) 1990-04-06 1990-04-06 Sleeve for sealing leaking pipe - has rings of shape retaining alloy spaced along periphery of sleeve

Publications (1)

Publication Number Publication Date
KR910016401A true KR910016401A (en) 1991-11-05

Family

ID=25891151

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910003939A KR910016401A (en) 1990-03-15 1991-03-12 Metal sleeves for bridging leak points on pipes

Country Status (5)

Country Link
EP (1) EP0446841B1 (en)
JP (1) JPH04219590A (en)
KR (1) KR910016401A (en)
DE (1) DE59103194D1 (en)
ES (1) ES2064787T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243213C1 (en) * 1992-12-19 1994-01-20 Bbc Reaktor Gmbh Fixing sealing socket in tube - using several rings made of shape memory alloy which can only bridge over reduced gap width
GB9300762D0 (en) * 1993-01-15 1993-03-03 Babcock Constr Ltd Method and apparatus for repairing a metal tube
DE4311674C1 (en) * 1993-04-08 1994-04-21 Bbc Reaktor Gmbh Seal at leakage point between pipe and coaxial sleeve - has two expanding rings in opposing directions with retainer covering both
DE4433501C2 (en) * 1994-09-20 1997-01-30 Siemens Ag Repair sleeve and method for repairing a heat exchanger tube
FR2726885A1 (en) * 1994-11-15 1996-05-15 Framatome Sa RESISTANT AND WATERPROOF FIXING METHOD OF A CUFF INSIDE A METAL TUBE AND REPAIR CUFF OF A METAL TUBE
WO1997021956A2 (en) * 1995-12-15 1997-06-19 Westinghouse Electric Corporation System and method for stabilizing a heat exchanger tube
DE19811599C2 (en) 1998-03-17 2002-01-10 Framatome Anp Gmbh Pipe with an expansion area

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368571A (en) * 1980-09-09 1983-01-18 Westinghouse Electric Corp. Sleeving method
EP0137984A3 (en) * 1983-10-14 1986-02-05 Lummus Crest S.A.R.L. Tube repair insert for steam generator
US4723578A (en) * 1985-06-24 1988-02-09 Combustion Engineering, Inc. Steam generator tube repair method and assembly
FR2599791B1 (en) * 1986-06-04 1988-10-28 Framatome Sa METHOD FOR RESISTANT AND WATERPROOF FIXING OF A HOLLOW CYLINDRICAL ELEMENT WITHIN A TUBE AND CYLINDRICAL ELEMENT FOR THE IMPLEMENTATION OF THIS PROCESS
FR2608727B1 (en) * 1986-12-23 1989-04-21 Souriau & Cie DEVICE FOR SEALING A HOLLOW BODY COMPRISING AN ELEMENT OF SHAPE MEMORY MATERIAL
DE3716328C3 (en) * 1987-05-15 1994-07-28 Bbc Reaktor Gmbh Hollow plugs for closing a heat exchanger tube

Also Published As

Publication number Publication date
EP0446841A1 (en) 1991-09-18
ES2064787T3 (en) 1995-02-01
JPH04219590A (en) 1992-08-10
EP0446841B1 (en) 1994-10-12
DE59103194D1 (en) 1994-11-17

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19910312

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid